Use mojo for Chrome Loading, Part 1

third_party/WebKit/public/platform/WebURLRequest.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 123 matching lines @@
         ReportIntent, // Report metrics with UI action displayed intent.
     };
 
     // The LoFi state which determines whether to request a Lo-Fi version of the resource.
     enum LoFiState {
         LoFiUnspecified, // Let the browser process decide whether or not to request the Lo-Fi version.
         LoFiOff, // Request a normal (non-Lo-Fi) version of the resource.
         LoFiOn, // Request a Lo-Fi version of the resource.
     };
 
+    enum class LoadingIPC {
+        ChromeIPC,
+        Mojo,
+    };
+
     class ExtraData {
     public:
         virtual ~ExtraData() { }
     };
 
     ~WebURLRequest() { reset(); }
 
     WebURLRequest() : m_private(0) { }
     WebURLRequest(const WebURLRequest& r) : m_private(0) { assign(r); }
     WebURLRequest& operator=(const WebURLRequest& r)
@@ skipping 147 matching lines @@
     // that triggered the navigation (which can be different from the navigation
     // start time used in the Navigation Timing API).
     BLINK_PLATFORM_EXPORT double uiStartTime() const;
     BLINK_PLATFORM_EXPORT void setUiStartTime(double);
     BLINK_PLATFORM_EXPORT WebURLRequest::InputToLoadPerfMetricReportPolicy inputPerfMetricReportPolicy() const;
     BLINK_PLATFORM_EXPORT void setInputPerfMetricReportPolicy(WebURLRequest::InputToLoadPerfMetricReportPolicy);
 
     // https://mikewest.github.io/cors-rfc1918/#external-request
     BLINK_PLATFORM_EXPORT bool isExternalRequest() const;
 
+    BLINK_PLATFORM_EXPORT LoadingIPC loadingIPC() const;

[kinuko, 2016/05/20 09:38:51]

nit: The method name feels a bit vague about what it returns, maybe make this
loadingIPCType() (and enum name to LoadingIPCType too)?  Also-- it'll collide
with enum name when we start to use capital method name, so..
getLoadingIPCType()?

[yhirano, 2016/05/20 11:32:54]

Done.

+
 #if INSIDE_BLINK
     BLINK_PLATFORM_EXPORT ResourceRequest& toMutableResourceRequest();
     BLINK_PLATFORM_EXPORT const ResourceRequest& toResourceRequest() const;
 #endif
 
 protected:
     BLINK_PLATFORM_EXPORT void assign(WebURLRequestPrivate*);
 
 private:
     WebURLRequestPrivate* m_private;
 };
 
 } // namespace blink
 
 #endif